Apparatus for mixing liquids and gases.



B. LEUSUHNER. APPARATUS FOR MIXING LIQUIDS AND GASES. APPLICATION FILEDMAR. a, 1907.

Patentd Nov. 10,1908.

BRUNO LEUSCI-INER, OF DRESDEN, GERMANY.

APPARATUS FOR MIXING LIQUIDS AND GASES.

Application filed March 8, 1907.

Specification of Letters Patent.

To all whom it may concern:

Be it known that I, BRUNO LEUSOHNER, a subject of the King of Saxony,residing at Dresden, German Empire, have invented certain new and usefulImprovements in Aparatus for Mixing Liquids and Gases, of which thefollowing is a specification.

My invention relates to apparatus for mixing liquids and gases. In suchdevices, just as in other mixing apparatus, a gyratory motion isimparted to the substances to be mingled, for the purpose of increasingthe mixing effect.

The feature of my invention is that the passages for admission of thesubstances to be mingled into the mixing chamber run in planes which areinclined relatively to the direction of flow of the said substances. Inthis manner not only is the mixing operation rendered wholly independentof the shape and conformation of the mixing vessel, but the axes of thegyratory surfaces can be given any desired direction by suitabledisposition and inclination of the planes of the passages; furthermore,any desired number of gyratory surfaces may be em loyed and byappropriate selection of the p aces of inlet for the substances may bedlstributed in such manner in the mixing chamber, that one and the samegyratory surface of the one substance may meet with several gyratorysurfaces of the other substance in succession. In this manner themingling of the substances is rendered still more intimate.

My invention is illustrated in the accompanying drawing, in which Figure1 is an elevation of the mixing apparatus connected with a water pipeand with a bottle of carbonic acid. Fig. 2 is a vertical section showingto a larger scale the principal parts of the apparatus. Figs. 3 and 4and 5 are detail views to be hereinafter referred to.

At the top of the carbonic acid bottle a there is a reducing valve I),through which the carbonic acid flows at a certain pressure (forinstance, 2 atmospheres) and passes further through the flexible pipe 0to the upper back pressure valve 01 of the mixing apparatus, which itopens on its way to the chamber a. The flexible pipe f is connected to awater pipe, from which water (say likewise at a pressure of 2atmospheres) flows through the laterally located back pressure valve g,into the chamber h, which concentrically incloses the chamber 0, andthence into the chamber i. The chambers e, h, i are closed air-tightoutwardly. The pipe 1', inclosing the chamber e, passes through thebottom lc of the chamber i and is closed by a base Z having slots mwhich run in inclined planes and connect the chamber e with the mixingchamber a of the vessel 0. Fig. 3 shows on a larger scale the bottom ofthe pipe as seen in the direction of the arrow Fig. 2. Through the slotsm the carbonic acid under pressure flows out of the chamber 6 into themixing chamber a, and owing to the inclination of the slots is set inrotation in clockwise direction. In the bottom is of the chamber 7nozzles 19 are provided, each having slots 9 connecting the chamber iwith the mixing chamber a. One of these nozzles is shown on a largerscale in Fig. 4, the nozzle being viewed in the direction of the arrowFig. 2. Fig. 5 is an underside view of the bottom 7c, with pipe 7'projecting through it; and as will be seen from this figure and fromFigs. 3 and 4, the inclination of the slots q is counter to that of theslots m, so that the pressure water flowing through the slots g from thechamber i into the mixing chamber n, though also set in rotation,gyrates in counterclockwise direction. Owing to the carbonic acid andwater thus playing into each other with great energy in counterdirections, exceedingly intimate mingling is effected. V

In view of the pressure in the interior of the mixing chamber, a thirdback pressure valve (not shown in the drawing) at the bottom of thevessel 0 will open and the liquid and gas mixture i 'll flow out throughthis valve and through the flexible pipe 1", for instance, direct to abath for the purpose of enabling carbonic acid ablutions to beundertaken.

Naturally the new apparatus can be emloyed for various other purposesthan that ere particularly described. It may be used everywhere, whereintimate mingling of gases and liquids is desired, for exam 1e, in themanufacture of mineral waters, emonades, etc.

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent of the United States is- 1. In an apparatus formixing liquids and gases, a mixing chamber rovided in its upper end witha depresse recess concentric with the chamber and having a centralopening, the side walls of said recess being extended beyond the top ofthe chamber, and'ai concentric series of openings being provided in thebottom of the recess shaped to give a spiral movement to liquid forcedthrough them into the mixing chamber, in combination with a tubular bodyhaving its lower portion enlarged and fitted into said recess and acentral concentric tube secured within said tubular body and projectingbelow it through the bottom of the reces's'in the mixing chamber, thelower end of said central tube being provided with a discharge openingconstructed to give a spiral motion to liquids forced therethrough intothe mixing chamber, such spiral motion being in the direction oppositeto that of the liquid forced through the openings in the bottom of therecess of the mixing chamber, substantially as described. 7 v

2. In an apparatus for mixing liquids and gases, a mixing chamberprovided in its upper end with a depressed recess concentric with thechamber and having a central'opening, the side walls of said recessbeing extended beyond the top of'the chamber, and a concentric series ofopenings being provided in the bottom of the recess shaped to give aspiral movement to liquid forced through "thenrinto the mixing chamber,in combination with a tubular body'having its lower portion enlarged andfitted into said recess and a central concentric tube Within saidtubular body and projecting below it through the bottom of the recess inthe mixing chamber, the lower end of said central tube being providedwith a discharge opening constructed to give a spiral motion to liquidsforced therethrough into the mixing chamber, such spiral motion being inthe direction opposite to that of the liquid -forced through theopenings in the bottom of the recess of the mixing chamber, the upperend of the central tube being open and communicating with a source ofsupply under pressure, a back pressure valve located at said opening, acommunication fromthe tubular body with a source of supply underpressure and a back pressure va v e in said communication, substantiallyas described.

In testimony whereof I aflix my signature in presence of two Witnesses.

BRUNO LEUSOHNER.

Witnesses PAUL AREAS,

CLAIRE SIMON.

